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Prevent plugins from spamming the console.

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This commit is contained in:
Kristian S. Stangeland 2012-12-12 08:32:37 +01:00
parent e855be64ad
commit 7117545509
2 changed files with 60 additions and 12 deletions
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2
ProtocolLib/dependency-reduced-pom.xml
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@ -4,7 +4,7 @@
<groupId>com.comphenix.protocol</groupId>
<artifactId>ProtocolLib</artifactId>
<name>ProtocolLib</name>
<version>1.8.0</version>
<version>1.8.1-SNAPSHOT</version>
<description>Provides read/write access to the Minecraft protocol.</description>
<url>http://dev.bukkit.org/server-mods/protocollib/</url>
<developers>

70
ProtocolLib/src/main/java/com/comphenix/protocol/error/DetailedErrorReporter.java
View File

@ -6,6 +6,9 @@ import java.lang.ref.WeakReference;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -35,6 +38,9 @@ public class DetailedErrorReporter implements ErrorReporter {
// We don't want to spam the server
public static final int DEFAULT_MAX_ERROR_COUNT = 20;
// Prevent spam per plugin too
private ConcurrentMap<String, AtomicInteger> warningCount = new ConcurrentHashMap<String, AtomicInteger>();
protected String prefix;
protected String supportURL;
@ -97,23 +103,65 @@ public class DetailedErrorReporter implements ErrorReporter {
@Override
public void reportMinimal(Plugin sender, String methodName, Throwable error, Object... parameters) {
reportMinimal(sender, methodName, error);
// Print parameters, if they are given
if (parameters != null && parameters.length > 0) {
logger.log(Level.SEVERE, " Parameters:");
// Print each parameter
for (Object parameter : parameters) {
logger.log(Level.SEVERE, " " + getStringDescription(parameter));
if (reportMinimalNoSpam(sender, methodName, error)) {
// Print parameters, if they are given
if (parameters != null && parameters.length > 0) {
logger.log(Level.SEVERE, " Parameters:");
// Print each parameter
for (Object parameter : parameters) {
logger.log(Level.SEVERE, " " + getStringDescription(parameter));
}
}
}
}
@Override
public void reportMinimal(Plugin sender, String methodName, Throwable error) {
logger.log(Level.SEVERE, "[" + PLUGIN_NAME + "] Unhandled exception occured in " + methodName + " for " +
PacketAdapter.getPluginName(sender), error);
reportMinimalNoSpam(sender, methodName, error);
}
public boolean reportMinimalNoSpam(Plugin sender, String methodName, Throwable error) {
String pluginName = PacketAdapter.getPluginName(sender);
AtomicInteger counter = warningCount.get(pluginName);
// Thread safe pattern
if (counter == null) {
AtomicInteger created = new AtomicInteger();
counter = warningCount.putIfAbsent(pluginName, created);
if (counter == null) {
counter = created;
}
}
final int errorCount = counter.incrementAndGet();
// See if we should print the full error
if (errorCount < getMaxErrorCount()) {
logger.log(Level.SEVERE, "[" + PLUGIN_NAME + "] Unhandled exception occured in " +
methodName + " for " + pluginName, error);
return true;
} else {
// Nope - only print the error count occationally
if (isPowerOfTwo(errorCount)) {
logger.log(Level.SEVERE, "[" + PLUGIN_NAME + "] Unhandled exception number " + errorCount + " occured in " +
methodName + " for " + pluginName);
}
return false;
}
}
/**
* Determine if a given number is a power of two.
* <p>
* That is, if there exists an N such that 2^N = number.
* @param number - the number to check.
* @return TRUE if the given number is a power of two, FALSE otherwise.
*/
private boolean isPowerOfTwo(int number) {
return (number & (number - 1)) == 0;
}
@Override